Convert millimeters to centimeters
1 millimeter equals 0.1 centimeters. Type any number below — the other side updates instantly.
Millimeters to centimeters — quick reference
| millimeters | centimeters |
|---|---|
| 1 mm | 0.1 cm |
| 2 mm | 0.2 cm |
| 5 mm | 0.5 cm |
| 10 mm | 1 cm |
| 20 mm | 2 cm |
| 50 mm | 5 cm |
| 100 mm | 10 cm |
| 200 mm | 20 cm |
| 500 mm | 50 cm |
| 1000 mm | 100 cm |
How to convert
Multiply the number of millimeters by 0.1 to get centimeters. To go the other way, multiply centimeters by 10 to get millimeters. The conversion factor is fixed and exact, so you can use this on any value.
About these units
Millimeters
- Definition
- A millimeter (symbol: mm) is one-thousandth of a meter, the SI base unit of length. It equals 0.1 cm or about 0.0394 inches.
- History
- The millimeter was defined alongside the meter in 1799 as part of the original metric system in revolutionary France. It became part of the modernized SI in 1960.
- Current use
- Millimeters are the dominant unit for technical drawings, hardware tolerances, screen sizes, and any small measurement in metric countries.
Centimeters
- Definition
- A centimeter (symbol: cm) is one-hundredth of a meter, the SI base unit of length. 1 cm equals 10 mm or about 0.394 inches.
- History
- The centimeter dates to the 1799 establishment of the metric system. The "centi-" prefix means one-hundredth in Latin.
- Current use
- Used worldwide for everyday measurements — body height, clothing sizes, paper, furniture — anywhere imperial countries would use inches.
Frequently asked
- How many centimeters are in 1 millimeter?
- 1 millimeter = 0.1 centimeters.
- How do you convert millimeters to centimeters?
- Multiply the number of millimeters by 0.1 to get centimeters. To go the other way, multiply centimeters by 10 to get millimeters. The conversion factor is fixed and exact, so you can use this on any value.
- What is 50 millimeters in centimeters?
- 50 millimeters = 5 centimeters.
Convert millimeters to other length units
Convert other length units to centimeters
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